Big Tech faces a historic legal showdown. A major trial over social media addiction has begun and could reshape the technology industry. Meta CEO Mark Zuckerberg testified before a jury for the first time over claims that social media harms young people. His testimony came more than four years after leaked internal documents suggested the company knew its platforms could…

Mary E. Brunkow, Fred Ramsdell, and Shimon Sakaguchi won the 2025 Nobel Prize for uncovering how the immune system avoids self-destruction. They share 11 million Swedish kronor for discoveries on “peripheral immune tolerance,” announced the Karolinska Institute. Sakaguchi identified regulatory T-cells — “the brakes of the immune system.” Brunkow and Ramsdell found the FoxP3 gene that controls them. Their work…